WASHINGTON (Reuters) - The dreaded dinosaur Allosaurus was the scourge of the Jurassic Period landscape some 150 million years ago, an apex predator just as Tyrannosaurus rex was 80 million years ...

Jackson Ryan was CNET's science editor, and a multiple award-winning one at that. Earlier, he'd been a scientist, but he realized he wasn't very happy sitting at a lab bench all day. Science writing, ...

One of the things that really bugs me about the Jurassic Park movies is the prominent role given to Tyrannosaurus rex—a dinosaur that didn’t appear until the ensuing Cretaceous period. I am therefore ...

About about 145 million to 200 million years ago during the Jurassic Period, Earth’s creatures had to contend with one of the most powerful, ferocious predators that ever lived—a clawed, flesh-eating, ...

Paleontologists have announced that a new species of dinosaur has been discovered in Utah. The new species is named Allosaurus jimmadseni and was discovered in Dinosaur National Monument in Utah in ...

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Fossils found covered with ancient bite marks suggest at least one type of large dinosaur was in such dire straits, it began dining on members of its own species. A remarkable 29 percent of 2,368 ...